Siemens SICLOCK TC 400 User Manual

Page 129

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Glossary

D-127

TC 400

Volatile parameters

Volatile parameters are parameters containing values/states that continuously
change during operation.

Time synchronization

The time of all plant components, automation units and computers is adjusted
exactly to the reference time of the plant central clock via time synchronization.

Time synchronization of plants

The term Time synchronization of plants is always used to describe when several
components of a plant are synchronized with products of the SICLOCK range.

Zone time

The zone time is the zone time derived from UTC.